porting help

[ad4m]

hi i was thinking of porting and polshing my barrle on my car could anyone tell me the biggest stage i can take them out to on the 4 cly please bcoz i dont want to take to much out thanks alot adam i need measurment cheers

[stafford]

do u mean your cylinder head. get the kit and get rid of the cast roughness that shold do it. u wont get much difference on its own

[Stuart]

type in english, or not at all!!!